SEKKISEI Brightening Cleansing Oil vs Kiehl's Since 1851 Midnight Recovery Botanical Cleansing Oil

ISOPROPYL MYRISTATE is an ester of isopropyl alcohol and myristic acid, commonly used in cosmetics for its emollient properties. It functions as a skin-conditioning agent, helping to soften and smooth the skin, while also serving as a binding agent that can enhance the texture and feel of formulations. Additionally, it is often utilized in fragrance and perfuming applications, contributing to the overall sensory experience of a product. Formulators may add ISOPROPYL MYRISTATE to improve the spreadability of products and to create a more luxurious feel on the skin.

Tocopherol, commonly known as Vitamin E or Alpha Tocopherol, is a fat-soluble antioxidant that plays a crucial role in protecting skin cells from oxidative stress caused by free radicals. Its antioxidant properties help to stabilize and preserve the integrity of cosmetic formulations, thereby enhancing their shelf life and effectiveness. Formulators often include Tocopherol in products to provide additional skin benefits, such as moisturizing and soothing properties, making it a popular choice in skincare and cosmetic products.

SQUALANE is a skin-conditioning emollient that serves multiple functions in cosmetic formulations. As an emollient, it helps to soften and smooth the skin, making it feel more hydrated and supple. Additionally, SQUALANE acts as a hair-conditioning agent, which can enhance the appearance and manageability of hair. Its refatting properties allow it to replenish lipids in the skin, which can be beneficial in maintaining the skin's barrier function. Formulators may add SQUALANE to products to improve texture and provide a luxurious feel, while also contributing to overall skin and hair health.

PHENOXYETHANOL is recorded as an antimicrobial and preservative. These recorded roles explain why a formulator may include it in a cosmetic formula.

CITRONELLOL is a naturally occurring compound found in various essential oils, particularly in citronella oil. It is primarily used in cosmetics for its perfuming properties, imparting a fresh, floral scent that enhances the overall fragrance profile of a product. Formulators may add CITRONELLOL to create appealing scents in formulations, as well as to mask undesirable odors from other ingredients. However, it is important to note that CITRONELLOL is subject to certain restrictions in cosmetic formulations due to its potential sensitizing effects, as indicated by its classification as a cosing-restricted ingredient.

LIMONENE is a compound commonly used in cosmetics primarily for its functions as a deodorant, solvent, and perfuming agent. As a deodorant, it helps to mask or neutralize unpleasant odors, making it a valuable addition to personal care products. Its solvent properties allow it to dissolve other ingredients, facilitating the formulation process and enhancing the overall texture of the product. Additionally, LIMONENE is often included for its pleasant citrus scent, contributing to the fragrance profile of various formulations. However, it is important to note that LIMONENE is subject to certain restrictions in cosmetic use, as indicated by its risk flags and references to regulatory guidelines.